cusolver_interface.hpp

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// Copyright (c) 2022-2023 Simons Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Authors: Miguel Morales, Nils Wentzell
 
/**
 * @file
 * @brief Provides a C++ interface for the GPU versions of various LAPACK routines.
 */
 
#pragma once
 
#include "../../blas/tools.hpp"
 
namespace nda::lapack::device {
 
  void gesvd(char JOBU, char JOBVT, int M, int N, double *A, int LDA, double *S, double *U, int LDU, double *VT, int LDVT, double *WORK, int LWORK,
             double *RWORK, int &INFO);
  void gesvd(char JOBU, char JOBVT, int M, int N, dcomplex *A, int LDA, double *S, dcomplex *U, int LDU, dcomplex *VT, int LDVT, dcomplex *WORK,
             int LWORK, double *RWORK, int &INFO);
 
  void getrf(int M, int N, double *A, int LDA, int *ipiv, int &info);
  void getrf(int M, int N, dcomplex *A, int LDA, int *ipiv, int &info);
 
  void getri(int N, double *A, int LDA, int *ipiv, double *WORK, int LWORK, int &info);
  void getri(int N, dcomplex *A, int LDA, int *ipiv, dcomplex *WORK, int LWORK, int &info);
 
  void getrs(char op, int N, int NRHS, double const *A, int LDA, int const *ipiv, double *B, int LDB, int &info);
  void getrs(char op, int N, int NRHS, dcomplex const *A, int LDA, int const *ipiv, dcomplex *B, int LDB, int &info);
 
} // namespace nda::lapack::device